Cited by 224Cancer Immunotherapy and BiomarkersImmune cells in cancerImmunotherapy and Immune Responses

Hypoxia-Induced VISTA Promotes the Suppressive Function of Myeloid-Derived Suppressor Cells in the Tumor Microenvironment

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Deng, Jie, Li, Jiannan, Sarde, Aurelien, Lines, J. Louise, Lee, Yu-Chi, Qian, David C., Pechenick, Dov A., Manivanh, Richard +7 more·2019·Cancer Immunology Research

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Abstract

Tumor hypoxia is a negative prognostic factor that is implicated in oncogenic signal activation, immune escape, and resistance to treatment. Identifying the mechanistic role of hypoxia in immune escape and resistance to immune-checkpoint inhibitors may aid the identification of therapeutic targets. We and others have shown that V-domain Ig suppressor of T-cell activation (VISTA), a negative checkpoint regulator in the B7 family, is highly expressed in the tumor microenvironment in tumor models and primary human cancers. In this study, we show that VISTA and HIF1α activity are correlated in a cohort of colorectal cancer patients. High VISTA expression was associated with worse overall survival. We used the CT26 colon cancer model to investigate the regulation of VISTA by hypoxia. Compared with less hypoxic tumor regions or draining lymph nodes, regions of profound hypoxia in the tumor microenvironment were associated with increased VISTA expression on tumor-infiltrating myeloid-derived suppressor cells (MDSC). Using chromatin immunoprecipitation and genetic silencing, we show that hypoxia-inducible factor (HIF)-1α binding to a conserved hypoxia response element in the VISTA promoter upregulated VISTA on myeloid cells. Further, antibody targeting or genetic ablation of VISTA under hypoxia relieved MDSC-mediated T-cell suppression, revealing VISTA as a mediator of MDSC function. Collectively, these data suggest that targeting VISTA may mitigate the deleterious effects of hypoxia on antitumor immunity.

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  • Hypoxia upregulates the expression of PD-L1 in malignant and immune regulatory cells.

    “Hypoxia also upregulates the expression of programmed cell death ligand 1 (PD-L1) in malignant and immune regulatory cells.”
  • Hypoxia upregulates expression of immune checkpoint molecules, such as VISTA and PD-L1, on MDSCs, promoting their immunosuppressive phenotype.

    “In addition, hypoxia upregulates expression of immune checkpoint molecules, such as VISTA and programmed cell death ligand 1 (PD-L1), on myeloid-derived suppressor cells (MDSCs), promoting their immunosuppressive phenotype (17, 18).”

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Authors
Deng, J., Li, J., Sarde, A., Lines, J. L., Lee, Y.-C., Qian, D. C., Pechenick, D. A., Manivanh, R., Le Mercier, I., Lowrey, C. H., Varn, F. S., Cheng, C., Leib, D. A., Noelle, R. J., & Mabaera, R.
Affiliations
  • Dartmouth College (US)
  • 1Department of Microbiology and Immunology, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire.
  • ImmuNext (United States) (US)
  • Dartmouth–Hitchcock Medical Center (US)
Corresponding author
Mabaera, Rodwell
Venue
Cancer Immunology Research
Published
2019-07-01
Volume
7
Issue
7
Pages
1079-1090
ISSN
  • 2326-6066 (ISSN-L)
  • 2326-6074
OpenAlex
W2946242397
Cited by
224
References
42
Citations by year
2026: 27 · 2025: 28 · 2024: 42 · 2023: 30 · 2022: 33 · 2021: 37 · 2020: 23 · 2019: 3
FWCI
10.02
Type
journal article
Language
en
Open access
Locations
  • Cancer Immunology Research (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
NIH (1R01AI098007)
Topics
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
Keywords
VISTA, tumor hypoxia, myeloid-derived suppressor cells, HIF-1α, colorectal cancer, tumor microenvironment, immune checkpoint, T cell suppression, hypoxia response element, antitumor immunity, immune evasion, overall survival
MeSH terms
Myeloid-Derived Suppressor Cells, Adenocarcinoma, Animals, Hypoxia, Female, Humans, Lymphocyte Activation, Mice, Inbred BALB C, Prognosis, T-Lymphocytes, Tumor Cells, Cultured, Colorectal Neoplasms, Cohort Studies, Survival Rate, Case-Control Studies, Apoptosis, Cell Proliferation, T-Lymphocytes, Regulatory, Mice, Hypoxia-Inducible Factor 1, alpha Subunit, Tumor Microenvironment, B7 Antigens

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